Reference
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GPT 5.6 Terra

GPT 5.6 Terra, a language model from OpenAI.
modelOverride: { model: "gpt-5.6-terra" }
OpenAI·Released July 2026
Pricing
Input
$2.00 / 1M
Output
$12.00 / 1M
Input
$4.00 / 1M
Output
$18.00 / 1M
Cached input
$0.20 / 1M
Cached input
$2.50 / 1M
Cached input
$0.40 / 1M
Cached input
$5.00 / 1M
Specifications
Context window
1,050,000 tokens
Max output
128,000 tokens
Released
July 2026
Capabilities
Vision
Parameters
Model options, passed in modelOverride.config.
ParameterTypeDefaultRange / options
reasoning_effortSelectmediumnonelowmediumhighxhighmax
toolsTools
mcpServersMCP servers
Use this model
await mindstudio.generateText({
  message: "...",
  modelOverride: {
    model: "gpt-5.6-terra",
    config: {
      reasoning_effort: "medium",
    },
  },
});